Newtyn Management (NASDAQ: QDEL) reports 4.56M shares, 6.7% holding

Rhea-AI Filing Summary

QuidelOrtho Corporation ownership disclosure: Newtyn Management, LLC reports beneficial ownership of 4,558,472 shares of QuidelOrtho common stock, representing 6.7% of the class. The filing states this aggregate position combines holdings of Newtyn TE Partners, LP (2,921,980 shares) and Newtyn Partners, LP (1,636,492 shares) as of March 31, 2026. The 6.7% figure is calculated using 68,081,767 shares outstanding as of February 11, 2026, per the issuer's 10-K.

Key Figures

Beneficial ownership: 4,558,472 shares Percent of class: 6.7% Shares outstanding used: 68,081,767 shares +3 more

6 metrics

Beneficial ownership 4,558,472 shares Aggregate holdings of Newtyn-managed funds as of March 31, 2026

Percent of class 6.7% Percent of common stock based on outstanding shares as of Feb 11, 2026

Shares outstanding used 68,081,767 shares Issuer-reported outstanding shares as of February 11, 2026 (used to compute 6.7%)

NTE holdings 2,921,980 shares Newtyn TE Partners, LP holdings as of March 31, 2026

NP holdings 1,636,492 shares Newtyn Partners, LP holdings as of March 31, 2026

CUSIP 219798105 QuidelOrtho common stock CUSIP in the filing

Key Terms

Schedule 13G, beneficially own, sole dispositive power, sole voting power

4 terms

Schedule 13G regulatory

"This report on is being filed by Newtyn Management, LLC"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficially own regulatory

"the Reporting Person may be deemed to beneficially own these securities"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 4,558,472.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

sole voting power regulatory

"Sole power to vote or to direct the vote: 4,558,472.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/06/2026 - 04:15 PM Learn about SEC filing dates

FAQ

What stake does Newtyn Management report in QuidelOrtho (QDEL)?

Newtyn Management reports beneficial ownership of 4,558,472 shares, equal to 6.7% of QuidelOrtho common stock. This aggregate position combines holdings of two funds managed by Newtyn as of March 31, 2026.

How was the 6.7% ownership percentage calculated for QDEL?

The 6.7% figure uses 68,081,767 shares outstanding as reported in QuidelOrtho's 10-K. The filing ties the percentage to that outstanding share count reported as of February 11, 2026.

Which entities hold the shares reported by Newtyn Management?

The filing states two Newtyn-managed partnerships: Newtyn TE Partners, LP holds 2,921,980 shares and Newtyn Partners, LP holds 1,636,492 shares, totaling the 4,558,472-share stake as of March 31, 2026.

Does Newtyn Management have voting or dispositive power over the QDEL shares?

Yes. The filing reports sole voting power of 4,558,472 shares and sole dispositive power of 4,558,472 shares, with no shared voting or dispositive power reported in the Schedule 13G.

Where can I find the official CUSIP and reporting person details for this filing?

The Schedule 13G lists the CUSIP as 219798105 and names the reporting person as Newtyn Management, LLC, with principal address at 60 East 42nd Street, 12th Floor, New York, NY 10165.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

QuidelOrtho Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

219798105

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 219798105

1

Names of Reporting Persons

Newtyn Management, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,558,472.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,558,472.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,558,472.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.7 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: See Item 2 for additional information.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: QuidelOrtho Corporation
(b)	Address of issuer's principal executive offices: 9975 Summers Ridge Road, San Diego, California 92121
Item 2.
(a)	Name of person filing: This report on Schedule 13G is being filed by Newtyn Management, LLC, a New York limited liability company (the "Reporting Person"). The Reporting Person is the investment manager to Newtyn TE Partners, LP, a Delaware limited partnership ("NTE"), and Newtyn Partners, LP, a Delaware limited partnership ("NP"). As of March 31, 2026, NTE held 2,921,980 shares of common stock (the "Common Stock") of QuidelOrtho Corporation (the "Issuer") and NP held 1,636,492 shares of Common Stock of the Issuer. The Reporting Person, as the investment manager to NTE and NP, may be deemed to beneficially own these securities. Accordingly, as of March 31, 2026, the Reporting Person may be deemed to beneficially own the 4,558,472 shares of Common Stock of the Issuer held in the aggregate by NTE and NP. Beneficial ownership percentages are based upon approximately 68,081,767 shares of Common Stock issued and outstanding as of February 11, 2026, based on information reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 19, 2026.
(b)	Address or principal business office or, if none, residence: The address for the Reporting Person is 60 East 42nd Street, 12th Floor, New York, NY 10165.
(c)	Citizenship: The Reporting Person is organized under the laws of the State of New York.
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 219798105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 4,558,472.00
(b)	Percent of class: 6.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,558,472.00
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 4,558,472.00
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Newtyn Management, LLC

Signature:	/s/ Eugene Dozortsev
Name/Title:	Eugene Dozortsev, Authorized Signatory
Date:	05/06/2026